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2015-01-28stdlib: add missing features to build PolarSSLJuan Castillo
This patch adds the missing features to the C library included in the Trusted Firmware to build PolarSSL: - strcasecmp() function - exit() function - sscanf()* function - time.h header file (and its dependencies) * NOTE: the sscanf() function is not a real implementation. It just returns the number of expected arguments by counting the number of '%' characters present in the formar string. This return value is good enough for PolarSSL because during the certificate parsing only the return value is checked. The certificate validity period is ignored. Change-Id: I43bb3742f26f0bd458272fccc3d72a7f2176ab3d
2014-02-17Add IO abstraction frameworkJames Morrissey
This is intended primarily for use as a storage abstraction. It allows operations such as image-loading to be implemented in a platform-independent fashion. Each platform registers a set of IO drivers during initialisation. The platform must also provide a function that will return a device and a specifier that can be used to access specified content. Clients of the API will primarily use device and entity handles. The term "entity" is deliberately vague, to allow for different representations of content accessed using different types of specifier, but will often be interpreted as a "file" where the specifier will normally be its path. This commit builds, but is intended to be paired with a sample implementation of "load_image" using a semi-hosting driver on FVP. Change-Id: Id3b52f1c0eb9ce76b44b99fc6b6460803668cc86